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Slippery jack

Suillus luteus

A species of Slippery jacks, Also known as Purple-veiled slippery jack

This mushroom blooms in summer and autumn, usually near or beneath pine trees. It does well in cold climates, but can also be found further south all around the northern hemisphere. During moist weather, the slippery jack's caps become quite slimy, leading to their common name.

Cap Diameter:

5 - 10 cm

Odor:

Mild, typical mushroom scent, not distinctive.

General Info About Slippery jack

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Attributes of Slippery jack

Cap Diameter

5 - 10 cm

Height

5 - 10 cm

Cap

Cap 5 - 12 cm; convex, broadly convex to flat; brown; slimy

Cap Shape

Convex, Flat

Cap Surfaces

Slimy or slightly sticky, Visible lines or stripes

Stem

Stem 3 - 8 cm long, 1 - 2.5 cm thick; equal; whitish, yellowish towards apex

Stem Shapes

Cylindrical

Stem Surfaces

Fibrillose

Flesh

White to pale yellow; not staining on exposure

Ring

Distanct whitish to cap-colored

Ring

With Ring

Spore Print Color

Pale cinnamon to ocher-brown

Odor

Mild, typical mushroom scent, not distinctive.

Body Color

Brown

Yellow

Red

White

Purple

Flesh Bruises

The flesh or milk does not discolor when bruised or cut.

Growth Form

Gregarious

Nutrient Gathering

Mycorrhizal

Substrate

On soil

You can find Slippery jack by these plants:

Eastern white pine, Red pine, Scots pine, Pines, Spruces

Occurence Habitats

Coniferous Woodland

Species Status

Least Concern

Endangered Species

How to Identify Slippery jack

Fruiting Body Cap Flesh

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Habitat of Slippery jack

The slippery jack is associated with coniferous trees, particularly pine and sometimes spruce. It feeds in a symbiotic relationship with the tree’s roots, helping it absorb water and nutrients while the tree provides it sugars and amino acids. This mushroom prefers cold, wet, and shaded areas beneath conifers.

Distribution Area of Slippery jack

North America,Europe,Central America,northern Asia;introduced in Africa,South America,Australia,and New Zealand

Hunting Values of Slippery jack

Clean the surface mucus thoroughly, only consume after cooking.

Uses of Slippery jack

Slippery jack is an edible mushroom, but it requires caution before consumption. Popular for its practical culinary uses when properly prepared, slippery jack is a seasonal find, often collected for its unique flavor. Its edibility value makes it sought after; however, it must be thoroughly cooked to neutralize potential toxins. Foragers should be aware of the correct identification and preparation methods to ensure safety. As with all wild mushrooms, novices are advised to consult experts before using slippery jack.

Scientific Classification of Slippery jack

Phylum

Club fungi

Class

Mushroom-forming fungi

Order

Boletes and allies

Family

Suillaceae

Genus

Slippery jacks

Toxicity and Edibility of Slippery jack

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Is Slippery jack Toxic?

Slippery jack is known to cause allergies in certain individuals. It has been reported to cause occasional gastric upset. The mushroom is mycorrhizal with pines and grows gregariously. The slimy upper surface of the cap and any remnants of the partial veil on the stipe should ideally be removed to decrease likelihood of poisoning. Overall, caution is advised while handling slippery jack.

Type of poisoning

Allergic

Toxic Severity

Low toxicity

Incubation Period

0.5-24 hours

Poisoning Symptoms

Individual responses to a mushroom allergy can differ widely, with reactions spanning from slight to intense, including skin rashes, itching, swelling in the mouth, stomach upset, and respiratory issues. In severe cases, it can lead to anaphylaxis, which requires immediate medical attention.

Similar Species to Slippery jack

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Tips for Finding Slippery jack

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When is the Best Time to Find Slippery jack

Search for slippery jack in late summer to fall, post rainfall, when the ground is moist and temperatures are mild. Look during cooler parts of the day, preferably morning or evening.

What are the Ideal Soil Conditions for Slippery jack

Prefers acidic, sandy soils that are well-drained.

What are Some Tips for Finding Slippery jack

Search in coniferous forests, focusing on areas around the base of pine trees, as slippery jack tends to grow there.
Look for these mushrooms in damp, shaded places where the soil is sandy and acidic.
Check around the perimeter of coniferous forest clearings as these areas often provide the right habitat for slippery jack.
Gently brush away pine needles on the forest floor as slippery jack might be nestled underneath.

How to Clean and Preserve Slippery jack

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How to Clean Slippery jack

To clean slippery jack, remove grass and debris from its sticky cap. Gently brush off any dirt, and use a damp cloth if necessary to wipe the surface. Check the pores underneath and brush them clean carefully, ensuring to maintain the integrity of the mushroom.

Tips on Dry Preservation of Slippery jack

Drying Methods

Dehydrator Drying, Oven Drying, Air Drying

Drying Duration

6 - 12 months

Store in airtight containers in a cool, dark, dry place with stable temperature.

Dehydrator drying: Provides controlled temperature and airflow for uniform drying.

Oven drying: Faster than air drying, maintains low temperature to avoid cooking.

Air drying: Natural method, works well in low humidity with good air circulation.

Tips on Freezing Preservation of Slippery jack

Freezing Methods

Blanching Before Freezing

Freezing Duration

3 - 12 months

Blanching before freezing: Inactivates enzymes, prolongs quality and texture.

Tips on Refrigeration Preservation of Slippery jack

Refrigerating Methods

Paper Bag Storage, Ventilated Container Storage, Loose Wrap Storage

Temperature

1 - 4 ℃

Refrigerating Humidity

90 - 95 %

Refrigerating Duration

5 - 7 days

Paper Bag Storage: Store in paper bags to allow air circulation and reduce moisture buildup, extending freshness.

Ventilated Container Storage: Use containers with air vents. This prevents moisture accumulation and maintains texture.

Loose Wrap Storage: Wrap loosely in a cloth or kitchen towel to absorb excess moisture and prevent mold growth.

Common Questions People Also Ask

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Is the slippery jack poisonous?

Can I eat slippery jack?

Where does slippery jack found?

When does slippery jack grow?

How does slippery jack grow?

Is slippery jack allergic?

How do you cook slippery jack?

More Mushrooms That Are Similar to Slippery jack

Larch bolete

Suillus grevillei

Weeping bolete

Suillus granulatus